# Complex Number Multiplication

- Author:
- pelboothroyd

- Topic:
- Complex Numbers, Multiplication, Numbers

Use the diagram below to research the effects of multiplying complex numbers.
Look for a geometrical meaning too!

Hints:
Set one number to z1 = 1 and move z2 in a circle.
Then set z1 = 1 + i and repeat.
What happens if z1 and z2 are set to the same value?
How does this help with z2.

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